横向
1
Lines that never intersect
5
Line segment connecting two circle points
6
Proven mathematical statement
7
Comparison of two quantities
10
The number representing nothing
纵向
2
Math using letters for unknown values
3
Divisible by two
4
Closed shape with straight sides
6
Line touching circle at one point
8
Result of raising a number to an exponent
9
Number that divides evenly into another